# hammer out

Source: https://englishreference.com/word/hammer-out
Updated: 2026-08-27

## Senses

### 1. to reach an agreement

phrasal verb · CEFR B2

to reach a difficult agreement or settlement after a lot of arguing and long discussions.

For teachers: to reach a settlement or agreement through intense and often prolonged negotiation.

- The two companies finally managed to hammer out a deal after three days of meetings.
- Diplomats worked through the night to hammer out a ceasefire agreement that both sides were willing to sign.

Usage: The object can be placed between 'hammer' and 'out' or after the full phrase.

### 2. to develop a plan

phrasal verb · CEFR B2

to create or develop a plan, idea, or piece of writing with a lot of effort.

For teachers: to produce or develop something, such as a strategy or document, through laborious effort.

- We need to hammer out the details of the project before we start working.
- The committee spent weeks hammering out the new safety regulations to ensure every possible risk was covered.

Usage: Often used when the process of creation is slow or difficult.

### 3. to shape metal

phrasal verb · CEFR C1 · Technical

to flatten or shape metal by hitting it with a hammer.

For teachers: to shape, flatten, or repair a metal object by striking it with a hammer.

- The blacksmith had to hammer out the dents in the old shield.
- The artisan carefully hammered out the silver sheet to create a delicate, curved bowl.

## Examples

- The two sides finally managed to hammer out a deal.
- Lawyers for both companies spent all night in the boardroom trying to hammer out the final details of the merger.
- Diplomats worked tirelessly for weeks to hammer out a peace treaty that would satisfy the competing demands of all regional stakeholders.

## Usage notes

- Teaching tip: the metaphor comes from blacksmithing, where metal is shaped by repeated hitting; this helps students understand why the phrase implies a 'hard' or 'forceful' negotiation process.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.